jul 1, 1881 - Wernicke-Korsakoff syndrome

Description:

thiamine (vitamin B1) deficiency, and is typically seen in alcoholics.
It is named after 2:

Carl Wernicke: German neurologist and psychiatrist (1848-1905)
Sergei Sergeievich Korsakoff: Russian neuropsychiatrist (1853-1900)

It was originally described as characterised by the triad of:

acute confusion
ataxia
ophthalmoplegia
Wernicke encephalopathy can evolve into the chronic form of thiamine deficiency known as Korsakoff psychosis, characterised by:
memory loss (global amnesia)
confabulation

Added to timeline:

Date: